HTTP ERRORS

 

 

What Are Http Status Codes:

When a browser requests a service from a web server, an error might occur. This is a list of HTTP status messages that might be returned

2XX SUCCESSFUL

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200     OK The request is OK
201     Created The request is complete, and a new resource is created
202     Accepted The request is accepted for processing, but the processing is not complete
203     Non-authoritative Information The information in the entity header is from a local or third-party copy, not from the original server.
204     No Content A status code and header are given in the response, but there is no entity-body in the reply.
205     Reset Content The browser should clear the form used for this transaction for additional input.
206     Partial Content The server is returning partial data of the size requested. Used in response to a request specifying a Range header. The server must specify the range included in the response with the Content-Range header.

3XX REDUCTION

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300    Multiple Choices  A link list. The user can select a link and go to that location. Maximum five addresses 
301     Moved Permanently  The requested page has moved to a new url
302    Found  The requested page has moved temporarily to a new url
303     See Other  The requested page can be found under a different url
304     Not Modified  This is the response code to an If-Modified-Since or If-None-Match header, where the URL has not been modified since the specified date.
305     Use Proxy  The requested URL must be accessed through the proxy mentioned in the Location header.
306     Unused  This code was used in a previous version. It is no longer used, but the code is reserved
307     Temporary Redirect

4XX CLIENT ERRORS

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400     Bad Request The server did not understand the request
401     Unauthorized The requested page needs a username and a password
402     Payment Required You can not use this code yet
403     Forbidden Access is forbidden to the requested page
404     Not Found The server can not find the requested page
405     Method Not Allowed The method specified in the request is not allowed
406     Not Acceptable The server can only generate a response that is not accepted by the client
407     Proxy Authentication Required You must authenticate with a proxy server before this request can be served
408     Request Timeout The request took longer than the server was prepared to wait
409     Conflict The request could not be completed because of a conflict
410     Gone The requested page is no longer available
411     Length Required The "Content-Length" is not defined. The server will not accept the request without it
412     Precondition Failed The precondition given in the request evaluated to false by the server
413     Request Entity Too Large The server will not accept the request, because the request entity is too large
414     Request-url Too Long The server will not accept the request, because the url is too long. Occurs when you convert a "post" request to a "get" request with a long query information
415     Unsupported Media Type The server will not accept the request, because the media type is not supported
416     Requested Range Not Satisfiable The requested byte range is not available and is out of bounds.
417     Expectation Failed The expectation given in an Expect request-header field could not be met by this server.

5XX SERVER ERRORS

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500     Internal Server Error The request was not completed. The server met an unexpected condition
501     Not Implemented The request was not completed. The server did not support the functionality required
502     Bad Gateway The request was not completed. The server received an invalid response from the upstream server
503     Service Unavailable The request was not completed. The server is temporarily overloading or down
504     Gateway Timeout The gateway has timed out
505     HTTP Version Not Supported The server does not support the "http protocol" version